onDeferredDeepLink method
Registers a callback for deferred deep links.
Deferred links are those that were clicked before the app was installed. If data is already available from a previous attribution call, the callback is invoked immediately in a microtask.
Implementation
void onDeferredDeepLink(DeferredDeepLinkCallback callback) {
_deferredDeepLinkCallbacks.add(callback);
if (_deferredDeepLinkDelivered) {
Future.microtask(() => callback(_cachedDeferredDeepLink));
}
}